We provide a device-object to other subsystems and we provide our own
release-function. Therefore, the device-object must own a reference to our
module, otherwise the release-function may get deleted before the device-object
does.
Signed-off-by: David Herrmann <dh.herrmann@xxxxxxxxxxxxxx>
---
net/bluetooth/hci_sysfs.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 5210956..e3bdee0 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -372,6 +372,7 @@ static void bt_host_release(struct device *dev)
{
void *data = dev_get_drvdata(dev);
kfree(data);
+ module_put(THIS_MODULE);
}
static struct device_type bt_host = {
@@ -523,6 +524,7 @@ void hci_init_sysfs(struct hci_dev *hdev)
dev->type = &bt_host;
dev->class = bt_class;
+ __module_get(THIS_MODULE);
dev_set_drvdata(dev, hdev);
device_initialize(dev);
}
--
1.7.8.1
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